code: def init_params(self):
      if self.W is not None:
          init.xavier_uniform_(self.W)
      if self.b is not None:
          init.zeros_(self.b)
  
file_path: DIG/dig/fairgraph/method/Graphair/GCN.py
imports: import torch
  import torch.nn
  import torch.nn.functional
  from torch.nn import init
  import torch
label_desc: Use image node_id 2 for calling the GCNLayer obj's underlying member method code with example usage: obj.init_params() without return types